americium
Americium (noun) means a chemical element with the symbol Am and atomic number 95. Example: “Americium has the atomic number 95.”
How to use americium
Learner’s notesIn plain EnglishThe name of the chemical element with atomic number 95.
A technical word from chemistry, used in science teaching and writing.
It is usually uncountable, so say americium is an element rather than an americium.
Trace the full origin ↓Fill the gap
Can you complete this real example?
_____ has the atomic number 95.
Etymology
The name is formed from Americ(as) plus the suffix -ium, by analogy with europium.